Blest is the man, supremely blest. C. Wesley. [Ps. xxxii.] First published in the Wesley Psalms & Hymns, 1743, as a version of Ps. xxxii. in 9 stanzas of 8 lines. In 1875 it was rearranged and included in the revised edition of the Wesleyan Hymn Book as hymn 561 in two parts, Pt. ii. being, "Thou art my hiding place, In Thee" (Poetical Works, 1868-72, vol. viii. p. 65).
-- John Julian, Dictionary of Hymnology (1907)